CN206051942U - It is a kind of to be pyrolyzed from dedusting moulded coal and crack aerogenesis joint gas power generation system - Google Patents
It is a kind of to be pyrolyzed from dedusting moulded coal and crack aerogenesis joint gas power generation system Download PDFInfo
- Publication number
- CN206051942U CN206051942U CN201620661508.0U CN201620661508U CN206051942U CN 206051942 U CN206051942 U CN 206051942U CN 201620661508 U CN201620661508 U CN 201620661508U CN 206051942 U CN206051942 U CN 206051942U
- Authority
- CN
- China
- Prior art keywords
- gas
- pyrolysis
- cracking
- dust arrester
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
Abstract
This utility model belongs to the pyrolysis of coal and cracking aerogenesis and fuel gas buring technical field of power generation, and in particular to a kind of heating from dedusting moulded coal based on heat accumulation type radiant tube is pyrolyzed and cracks aerogenesis joint gas power generation system.The system includes：Pyrolysis hopper；First feed arrangement；Pyrolysis and cracking reactor, including：The outlet of charging aperture, pyrolysis chamber, cracking room and cracking gas；And：Heat accumulation type radiant tube；Heat-insulated brick wall；Communication member；Grain bed dust arrester；Spray column；Fuel cartridge and generating set.Power generation system structure of the present utility model is simple, and easy to operate, uniformity of temperature profile, heats are good.Grain bed cleaner unit is provided with pyrolysis chamber's oil gas vent, the oil gas that pyrolysis chamber produces, after grain bed dedusting, clean oil gas enters back into cracking room carries out deep pyrolytic, the supply radial canal burning of cracking gas small part, remaining combustion gas enter jet dynamic control, combustion power generation, the problem of pyrolysis oil dust-laden is avoided, rear end dedusting pressure is also reduced.
Description
Technical field
This utility model belongs to the pyrolysis of coal and cracking aerogenesis and fuel gas buring technical field of power generation, and in particular to a kind of
Heated from dedusting type granule pyrolysis of coal and cracking aerogenesis joint gas power generation system based on heat accumulation type radiant tube.
Background technology
Rich coal resources in China, in addition to part is for coking, conversion processing, the overwhelming majority is for directly combustion for raw coal
Burn.Coal directly burns, and the petroleum resources being rich in causing coal is not also obtained sufficiently refining and utilized, and the directly combustion heat
Efficiency is low, serious to environmental disruption.The pyrolysis of coal is to heat coal under an inert atmosphere, produces the product such as semicoke, coal gas and tar
Product, these products for obtaining with cascade utilization, while fully extraction to petroleum resources, can improve the synthesis of coal again again
Utilization ratio.Pyrolytic process of coal can be divided into two class of external-heat and internal heat type.External heating type heat efficiency is low, and volatility product twice decomposition is tight
Weight；Internal heat type technique overcomes the shortcoming of external-heat, by heat carrier（Solid thermal carriers and gas heat carrier）Heat transfer
To coal., there are carbonization gas and rushed dilute in gas heat carrier technique, condensate recovery system is huge, and gas heating value is low, it is difficult to further comprehensive
The shortcoming that conjunction is utilized.Comparatively solid thermal carriers technique have certain advantage, but there is complex process operation link too
It is many, the shortcomings of manufacturing cost is high.The existing pyrolysis type of furnace is to produce oil product as main purpose, but is pyrolyzed mostly the type of furnace,
Especially to process the type of furnace of the fine coal as raw material, contain a large amount of dirt in pyrolysis oil, cause pyrolysis oil to be difficult to effectively utilizes, pyrolysis oil
The problems such as value is not high.Therefore, how to design all simple pyrolysis of coal of a kind of high-effective dust-removing, system structure and technological process and split
Solution aerogenesis joint gas power generation system becomes the problem of this area urgent need to resolve.
Utility model content
This utility model is directed to the deficiencies in the prior art, designs and develop a kind of pyrolysis from dedusting moulded coal and cracking aerogenesis
Joint gas power generation system, the response system can be pyrolyzed and be cracked two kinds of operations, the oil gas that pyrolysis chamber produces, entrance
Grain bed dedusting, after grain bed dedusting, clean oil gas enters back into cracking room carries out deep pyrolytic, reduces rear end dedusting pressure
The tar molecules of macromole are cracked into the gaseous hydrocarbons of small molecule by power, and the reactor can produce substantial amounts of cracking gas, so as to keep away
Exempt to produce the problem of pyrolysis oil dust-laden, the clean and effective for being truly realized coal is utilized.System that employs heat accumulation type radiant tube
Heating technique simplifies system process without the need for gas, solid heat carrier heating while the thermal efficiency that improve reactor, cracking gas is few
Part supply radial canal burning, remaining combustion gas enter jet dynamic control, combustion power generation.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is：This utility model provides one kind certainly
Dedusting moulded coal is pyrolyzed and cracks aerogenesis joint gas power generation system.According to embodiment of the present utility model, the system includes：Pyrolysis
Hopper；First feed arrangement, first feed arrangement are connected with the pyrolysis hopper；Pyrolysis and cracking reactor, including：Enter
The outlet of material mouth, pyrolysis chamber, cracking room and cracking gas, the charging aperture are arranged on the roof of the pyrolysis chamber, the cracking gas
Outlet is arranged on the side wall of the cracking room, and：Heat accumulation type radiant tube, the heat accumulation type radiant tube is along the reactor
Short transverse multi-tier arrangement inside the pyrolysis chamber and the cracking room, per layer with many arrange in the horizontal direction described in
Heat accumulation type radiant tube；Heat-insulated brick wall, the heat-insulated brick wall are arranged at the 2/3 of the reactor transverse width, vertically through
In the reactor, the inner space of the reactor is separated into into the pyrolysis chamber and the cracking room；Communication member, institute
Communication member is stated on the heat-insulated brick wall longitudinal length, positioned at the opening of lower position, for by the pyrolysis chamber and described
Cracking room is connected；Grain bed dust arrester, the grain bed dust arrester are fixedly connected with the opening of the heat-insulated brick wall,
And the grain bed dust arrester is located at the side of the pyrolysis chamber to extend horizontally and to the pyrolysis indoor, for by institute
The oil gas of pyrolysis chamber's generation is stated, by the grain bed dust arrester, the cracking room is passed into；Spray column, the spray column
It is connected with cracking gas outlet；Fuel cartridge, the fuel cartridge are connected with the spray column；Generating set, the generating set
It is connected with the fuel cartridge.
Inventor has found that simple according to the power generation system structure of this utility model embodiment, easy to operate, Temperature Distribution is equal
Even, heats are good.Two kinds of operations can be carried out in one body of heater, is united two into one, save construction cost and floor space.Reactor
It is divided into pyrolysis chamber and cracking room, at pyrolysis chamber's oil gas vent, is provided with grain bed cleaner unit, the oil gas that pyrolysis chamber produces, through granule
After bed dedusting, clean oil gas enters back into cracking room carries out deep pyrolytic, and the tar molecules of macromole are cracked into the gas of small molecule
State hydro carbons, cracking gas small part supply radial canal burning, remaining combustion gas enters jet dynamic control, combustion power generation, it is to avoid heat
The problem of the oily dust-laden of solution, the clean and effective for being truly realized Fossil fuel are utilized, and also reduce rear end dedusting pressure.
According to embodiment of the present utility model, the grain bed dust arrester is located on the side of pyrolysis chamber side and arranges tool
There is the pore area in multiple holes, the grain bed dust arrester is located at the bottom surface of pyrolysis chamber side and is provided with dust outlet, and described
Grain bed dust arrester be located at cracking room side side surface upper part be provided with for the dust arrester is carried out blowback blow valve port,
Bottom is provided with pyrolysis gas outlet.
According to embodiment of the present utility model, the grain bed dust arrester is embedded in the opening.
According to embodiment of the present utility model, the thickness of the heat-insulated brick wall is 50-150mm, and the height of the pore area is
150-1500mm, a diameter of 1-30mm in the hole；It is inclined-plane that the grain bed dust arrester is located at the top of pyrolysis chamber side
Design, the height of the grain bed dust arrester is 200-2000mm, and width is 100-500mm, the grain bed dust arrester
Built with the high filter mediums of 1mm-20mm；Preferably, the filter medium is perlite, sandstone or spherical ceramic particles.
According to embodiment of the present utility model, the system further includes combustion gas pressure fan and combustion gas air-introduced machine, wherein, institute
The one end for stating combustion gas pressure fan is connected with the outlet of the fuel cartridge, and the other end is connected with the fuel gas inlet of the heat accumulation type radiant tube
Connect, the combustion gas air-introduced machine is arranged between the spray column and the fuel cartridge.
According to embodiment of the present utility model, the system also includes loading hopper；Second feed arrangement, itself and the loading hopper
It is connected；Drying device, which is connected with second feed arrangement and the exhanst gas outlet on the heat accumulation type radiant tube respectively；Gas-solid
Segregation apparatuss, which is connected with the drying device and the pyrolysis hopper respectively；Exhaust gas cleaner, itself and the gas-solid point
It is connected from device.
According to embodiment of the present utility model, the pyrolysis hopper is by first feed arrangement and the charging aperture phase
Even；Further include that semicoke is exported, the semicoke outlet is arranged on the bottom of the pyrolysis chamber, the semicoke outlet and described half
Burnt conveyer device connection.
In other side of the present utility model, this utility model provides one kind and carries out heat using foregoing system
Solution and the method for cracking aerogenesis joint fuel gas generation, it is characterised in that comprise the following steps：A. granule materials are passed through into charging aperture
Be added in reactor, pyrolytic process is completed in the pyrolysis chamber of the reactor；B. the oil gas of generation is pyrolyzed, by described
After the grain bed dust arrester arranged on the heat-insulated brick wall of reactor carries out dust removal by filtration, clean oil gas enters into described anti-
Answer the cracking room of device；C. clean oil gas completes thermal cracking processes in the cracking interior, produces cracking gas；D. the cracking
Gas is entered in spray column by cracking gas outlet, carries out purified treatment to the cracking gas；E. purified net cracking gas Jing
Combustion gas air-introduced machine sends into fuel cartridge, and a part of Jing combustion gas pressure fan of the gas in the fuel cartridge sends into the combustion of heat accumulation type radiant tube
Gas entrance, another part send into generating set, carry out combustion power generation.
According to embodiment of the present utility model, in step a, charging of the granule materials from the reactor top
Mouthful it is added in the reactor, and is broken up by the heat accumulation type radiant tube in the reactor, pyrolysis char is from described anti-
The semicoke of device bottom is answered to export discharge；In step a, the granule materials are by the accumulation of heat in the reactor pyrolysis chamber
Formula radial canal is heated to 500-600 DEG C, and in step b, the pyrolysis oil gas is by the storage in the reactor cracking room
Hot type radial canal is heated to 650-900 DEG C.
According to embodiment of the present utility model, the granularity of the granule materials is below 10mm.
The beneficial effects of the utility model are：
1）Take heat accumulation type radiant tube moving bed process heating 10mm particles below and powder coal, uniformity of temperature profile,
Heats are good, response system simple structure, easy to operate.
2）Reactor is divided into pyrolysis chamber and cracking room, and the oil gas that pyrolysis chamber produces can carry out deep pyrolytic in cracking room, greatly
The tar molecules of molecule are cracked into the gaseous hydrocarbons of small molecule.
3）The reactor can produce substantial amounts of cracking gas product, it is to avoid the problem of pyrolysis oil dust-laden, being truly realized
The clean and effective of stone fuel is utilized.
4）It is provided with grain bed cleaner unit at pyrolysis chamber's oil gas vent, the oil gas that pyrolysis chamber produces, after grain bed dedusting,
Clean oil gas enters back into cracking room carries out deep pyrolytic, reduces rear end dedusting pressure, generates clean gas.
5）Two kinds of operations can be carried out in one body of heater, is united two into one, save construction cost and floor space.
6）The supply radial canal burning of cracking gas small part, remaining combustion gas enter jet dynamic control, combustion power generation.
Description of the drawings
Fig. 1 is this utility model pyrolysis of coal and cracking aerogenesis joint gas power generation system structure chart.
Fig. 2 is the structure of reactor figure that this utility model pyrolysis of coal and cracking aerogenesis combine gas power generation system.
Fig. 3 be this utility model reactor in be provided with grain bed dust arrester heat-insulated brick wall front view.
Structure charts of the Fig. 4 for the grain bed dust arrester in this utility model reactor.
Wherein, 1. loading hopper；2. riser exsiccator；3. thermal storage type moving bed reactor；310th, cracking gas outlet；311、
Exhanst gas outlet；320th, charging aperture；321st, air intake；322nd, fuel gas inlet；330th, semicoke outlet；340th, cracking room；350th, heat
Solution room；360th, communication member；370th, heat-insulated brick wall；380th, heat accumulation type radiant tube；4. cyclone separator is dried；5. hopper is pyrolyzed；
6. tail gas air-introduced machine；7. exhaust gas cleaner；8. chimney；9. rotary feeder；10. spray column；11. combustion gas air-introduced machines；12. combustions
Gas tank；13. combustion gas pressure fan；14. conveying worms；15. jet dynamic controls；16th, grain bed dust arrester；1601st, hole
Band；1602nd, dust outlet；1603rd, blow valve port；1604th, pyrolysis gas outlet.
Specific embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to specific embodiment
The utility model is described in further detail.The embodiments described below is exemplary, is only used for explaining that this practicality is new
Type, and it is not intended that to restriction of the present utility model.Unreceipted particular technique or condition in embodiment, according in the art
Document described by technology or condition or carry out according to product description.
According to one side of the present utility model, this utility model provides a kind of pyrolysis from dedusting moulded coal and cracking aerogenesis
Joint gas power generation system, Fig. 1 are the structure chart that the pyrolysis of coal and cracking aerogenesis combine gas power generation system, as shown in figure 1, should
System includes：Pyrolysis hopper 5；First feed arrangement 9, first feed arrangement are connected with the pyrolysis hopper；It is pyrolyzed and splits
Solution reactor 3, including：The outlet 310, heat accumulation type radiant tube 380 of charging aperture 320, pyrolysis chamber 350, cracking room 340 and cracking gas,
Heat-insulated brick wall 370, communication member 360 and grain bed dust arrester 16, the charging aperture are arranged on the roof of the pyrolysis chamber,
Cracking gas outlet is arranged on the side wall of the cracking room, the heat-insulated brick wall vertically through in the reactor,
The inner space of the reactor is separated into into the pyrolysis chamber and the cracking room；The communication member is the heat-insulated brick wall
On longitudinal length, positioned at the opening of lower position, for the pyrolysis chamber is connected with the cracking room；Grain bed dedusting is filled
Put, the grain bed dust arrester is fixedly connected with the opening of the heat-insulated brick wall, and the grain bed dust arrester position
The pyrolysis interior is extended horizontally and in the side of the pyrolysis chamber, for the oil gas for producing the pyrolysis chamber, is led to
The grain bed dust arrester is crossed, the cracking room is passed into；Spray column 10, the spray column are connected with cracking gas outlet
Connect；Fuel cartridge 12, the fuel cartridge are connected with the spray column；Generating set 15, the generating set are connected with the fuel cartridge
Connect.
Inventor has found that simple according to the power generation system structure of this utility model embodiment, easy to operate, Temperature Distribution is equal
Even, heats are good.Two kinds of operations can be carried out in one body of heater, is united two into one, save construction cost and floor space.Reactor
It is divided into pyrolysis chamber and cracking room, at pyrolysis chamber's oil gas vent, is provided with grain bed cleaner unit, the oil gas that pyrolysis chamber produces, through granule
After bed dedusting, clean oil gas enters back into cracking room carries out deep pyrolytic, and the tar molecules of macromole are cracked into the gas of small molecule
State hydro carbons, cracking gas small part supply radial canal burning, remaining combustion gas enters jet dynamic control, combustion power generation, it is to avoid heat
The problem of the oily dust-laden of solution, the clean and effective for being truly realized Fossil fuel are utilized, and also reduce rear end dedusting pressure.
According to specific embodiment of the utility model, it is adaptable to the concrete species and grain of the pyrolysis material that the electricity generation system is processed
Footpath is not particularly limited, and according to embodiment of the present utility model, pyrolysis material can be the Fossil fuels such as oil shale, coal, it is also possible to
It is rubbish, sludge, junked tire etc., pyrolysis material can also can be little particle pyrolysis material for block pyrolysis material, new in this practicality
In the preferred embodiment of type, the electricity generation system adopts particle diameter 10mm particles below coals, thus, it is possible to make full use of little particle heat
Solution material, resource utilization are high, and can solve the problem that bulk deposition pollutes the problem of environment.
According to specific embodiment of the utility model, it is adaptable to which the type of furnace of the reactor 3 of the electricity generation system is not by spy
Do not limit, can be thermal storage type moving bed pyrolysis and cracking reactor 3 can also be other types, such as non-heat accumulating type or non-moving
Formula etc., as long as pyrolysis chamber and cracking room can be divided into by the integration of heat-insulated brick wall.
According to specific embodiment of the utility model, as shown in figure 1, the charging aperture is arranged on the roof on pyrolysis chamber top
On, pyrolysis hopper is connected with the charging aperture by the first feed arrangement；The concrete species of the first feed arrangement is not especially limited
System, as long as the pyrolysis material in pyrolysis hopper can be effectively delivered in reactor.In some realities of the present utility model
Apply in example, the first feed arrangement 9 can be rotary feeder or conveying worm.Thereby, it is possible to realize to the automatic of pyrolysis material
Change conveying, conveying capacity is controllable, and device structure is simple, it is easy to operate.
According to specific embodiment of the utility model, as shown in figure 1, the reactor further comprises semicoke outlet
330, the semicoke outlet is arranged on the bottom of the pyrolysis chamber, and the semicoke outlet is connected with the semicoke conveyer device 14.
Thus, it is possible to the semicoke obtained in reactor be conveyed using semicoke conveyer device.The concrete kind of semicoke conveyer device 14
Class is not particularly limited, including but not limited to star or conveying worm.Thereby, it is possible to realize the Automatic Conveying to semicoke,
And conveying capacity is controllable, device structure is simple, easy to operate.
According to specific embodiment of the utility model, Fig. 2 is the pyrolysis of coal and cracking aerogenesis joint gas power generation system
Pyrolysis and cracking reactor structure chart, as shown in Fig. 2 the inside reactor has short transverse cloth of the multilamellar along the reactor
Put the heat accumulation type radiant tube inside the pyrolysis chamber and the cracking room, every layer of heat accumulation type radiant tube can include it is multiple each other
The heat accumulation type radiant tube of parallel and horizontally spaced distribution.According to embodiment of the present utility model, the pyrolysis chamber and split
Solution interior distributed at least one heat accumulation type radiant tube respectively, it is preferred that at least one heat accumulation type radiant tube is uniform
Distribution.Heat accumulation type radiant tube can be effective for pyrolysis material and cracking indoor oil gas and heat so as to carry out pyrolysis and
Cracking reaction, specifically, can be passed through combustible gas and air into heat accumulation type radiant tube, combustible gas burning is realized to pyrolysis material
Heating function.The equipment adopts heat accumulation type radiant tube heating technique, and without the need for gas, solid heat carrier heating, pyrolysis gas will not be dilute
Release, calorific value is high, and reactor temperature is evenly distributed, surface temperature difference is little, and exhaust gas temperature is low, the thermal efficiency is high, improves reactor
The thermal efficiency while simplify system process, response system simple structure is easy to operate.
In the reactor, pyrolysis material is moved from top to bottom, and the heat accumulation type radiant tube arranged in the reactor can be with
Pyrolysis material is broken up is uniformly distributed which, and pyrolysis material is stopped 1-50 minutes in the reactor from top to bottom, and is heated to 500-600
℃.According to embodiment of the present utility model, the shape of heat accumulation type radiant tube is not particularly limited, in some realities of the present utility model
Apply in example, can be cylinder, thus be conducive to being pyrolyzed breaing up for material, realize uniform point in the reactor of mixed pyrolysis material
Dissipate.The level interval of radial canal is 200-500mm, and vertical interval is 200-700mm, and the radial canal number of plies is 10-25 layers, reactor
Width is 2-6m, and height for reactor is 3-20m.In addition, heat accumulation type radiant tube can be the unidirectional heat accumulating type radiation being evenly arranged
Pipe, the temperature of tube wall can be controlled in 450-1000 DEG C of scope by gas control valve, and heat accumulation type radiant tube can be taken periodically
The combustion system of commutation so that the surface temperature difference of single heat accumulation type radiant tube only has 30 DEG C or so, no area of localized hyperthermia, by
This, is conducive to improving the thermal efficiency.
According to specific embodiment of the utility model, when Fig. 3 is from terms of the from left to right of reactor, this utility model reactor
In be provided with grain bed dust arrester heat-insulated brick wall front view, as shown in Figures 2 and 3, heat-insulated brick wall is arranged on reactor
Interior, it is preferred that at the 2/3 of reactor transverse width, the thickness of heat-insulated brick wall is 50-150mm, and heat-insulated brick wall is vertically passed through
It is through in reactor, the inner space of reactor is separated into into pyrolysis chamber and cracking room, the structure causes to set in a body of heater
Zhi Liao pyrolysis chambers and cracking room, the oil gas that pyrolysis chamber produces are pyrolyzed the oil gas for producing by setting on the heat-insulated brick wall of the reactor
After the grain bed dust arrester put carries out dust removal by filtration, clean oil gas enters into the cracking interior, completes to crack
The tar molecules of macromole are cracked into the gaseous hydrocarbons of small molecule by journey, produce substantial amounts of cracking gas, so as to avoid production heat
The problem of the oily dust-laden of solution.Also, two kinds of operations can be carried out in a body of heater, is united two into one, save construction cost and floor space.
According to specific embodiment of the utility model, the concrete species of the communication member 360 is not particularly limited, as long as
Pyrolysis chamber can be connected with cracking room, so as to the oil gas for producing pyrolysis chamber is passed into cracking room.In this utility model
Some embodiments in, as shown in Fig. 2 communication member be the heat-insulated brick wall longitudinal length on, positioned at the opening of lower position.
According to specific embodiment of the utility model, the concrete mounting means of the grain bed dust arrester is unrestricted, can
Think welding, rivet or inlay, according to some embodiments of the present utility model, Fig. 4 is the granule in this utility model reactor
The structure chart of bed dust arrester, as shown in Figure 1, Figure 2 and Figure 4, particle dust-collecting equipment is inlayed by this utility model using mosaic mode
It is embedded in the opening, grain bed dust arrester is located on the side of pyrolysis chamber side and arranges the pore area 1601 with multiple holes,
The grain bed dust arrester is located at the bottom surface of pyrolysis chamber side and is provided with dust outlet 1602, and grain bed dedusting dress
It is provided with and is provided with for the blow valve port 1603, bottom that blowback is carried out to the dust arrester setting in the side surface upper part of cracking room side
Pyrolysis gas outlet 1604.
According to specific embodiment of the utility model, as shown in Figure 3 and Figure 4, the height of the pore area is 150-1500mm,
A diameter of 1-30mm in the hole；The grain bed dust arrester be located at pyrolysis chamber side top be inclined design, described
The height of grain bed dust arrester is 200-2000mm, and width is 100-500mm, and the grain bed dust arrester is built with 1mm-
20mm high filter medium；According to some embodiments of the present utility model, this utility model adopts filter medium for perlite, sand
Stone or spherical ceramic particles.
According to specific embodiment of the utility model, the reactor be provided with fuel gas inlet 322, air intake 321 and
Exhanst gas outlet 311, wherein, fuel gas inlet and exhanst gas outlet are connected with heat accumulation type radiant tube respectively, are respectively used to be passed through combustible gas
With discharge flue gas, air intake is connected with source of the gas and heat accumulation type radiant tube respectively, and the air for source of the gas is produced is passed through accumulation of heat
In formula radial canal.
According to embodiment of the present utility model, as shown in figure 1, the synthesis gas system may further include：Loading hopper 1；
The second feed arrangement being connected with loading hopper；It is connected with the exhanst gas outlet 311 of the second feed arrangement and heat accumulation type radiant tube respectively
Drying device 2；The gas-solid separating device 4 being connected with drying device and pyrolysis hopper 5 respectively；It is connected with gas-solid separating device
Exhaust gas cleaner 7.Thus, it is possible to pass through the second feed arrangement the pyrolysis material in loading hopper is added in drying device, dry
In dry device, pyrolysis material is dried in the presence of the flue gas (about 150-250 DEG C of temperature) from heat accumulation type radiant tube, so
The mixture of dried pyrolysis material and flue gas enters gas-solid separating device afterwards, and (temperature is about 70-130 to the flue gas that separation is obtained
DEG C) purified treatment is carried out in exhaust gas cleaner, to realize qualified discharge, separate the pyrolysis material for obtaining and be delivered to pyrolysis material
In bucket, for carrying out pyrolytic reaction.
According to embodiment of the present utility model, the concrete species of the second pay-off is not particularly limited, as long as being applied to
Pyrolysis material in loading hopper is delivered in drying device.In some embodiments of the present utility model, the second feeding dress
Put to be star feeder or feed screw.Thereby, it is possible to realize the Automatic Conveying to pyrolysis material, and conveying capacity can
Control, device structure are simple, easy to operate.
According to embodiment of the present utility model, the concrete species of drying device 2 is not particularly limited, if can realize it is right
The function of the drying and preheating of pyrolysis material.In some embodiments of the present utility model, drying device 2 can be riser
Exsiccator 2, thus, pyrolysis material in the presence of flue gas is dried and is lifted, the mixture of dried pyrolysis material and flue gas
Riser exsiccator is discharged, is conducive to subsequent step to carry out.In drying device, while being dried to pyrolysis material, also
The function of preheating is realized, is conducive to improving the speed and efficiency of follow-up pyrolytic reaction, and using heat accumulation type radiant tube discharge
Flue gas is dried and is preheated to pyrolysis material, is realized the comprehensive utilization of heat energy, is effectively reduced energy consumption, has reached energy-conserving and environment-protective
Purpose.
According to embodiment of the present utility model, the concrete species of gas-solid separating device 4 is not particularly limited, as long as can be by
Pyrolysis material is separated with flue gas.In some embodiments of the present utility model, gas-solid separating device 4 can be to be dried whirlwind point
From device 4, thus, it is possible to quickly and efficiently pyrolysis material and flue gas are separated, and good separating effect, it is simple to operation, into
This is relatively low.
According to embodiment of the present utility model, can also be further between gas-solid separating device 4 and exhaust gas cleaner 7
Tail gas air-introduced machine 6 is provided with, the flue gas that acquisition is separated in gas-solid separating device quickly and efficiently can be conveyed by tail gas air-introduced machine
Into exhaust gas cleaner, be conducive to improving work efficiency.
According to embodiment of the present utility model, the pyrolysis plant is also provided with the chimney being connected with exhaust gas cleaner
8, thus the flue gas Jing chimneys emptying after exhaust gas cleaner purified treatment, is conducive to environmental protection, reduces pollution.
According to embodiment of the present utility model, as shown in figure 1, the synthesis gas system further includes combustion gas pressure fan 13,
One end of the combustion gas pressure fan is connected with the outlet of the fuel cartridge, the fuel gas inlet of the other end and the heat accumulation type radiant tube
322 connections.So as to a part of combustible gas Jing combustion gas pressure fan sends into the fuel gas inlet 322 of the radial canal of pyrolysis reactor.
According to embodiment of the present utility model, as shown in figure 1, the synthesis gas system further includes combustion gas air-introduced machine 11,
Wherein, the combustion gas air-introduced machine is arranged between the spray column and the fuel cartridge.The outlet of spray column and combustion gas air-introduced machine
Entrance connects, and the outlet of combustion gas air-introduced machine is connected with fuel cartridge entrance, and fuel cartridge outlet is connected with generating set.
In other side of the present utility model, this utility model provides one kind and carries out coal using foregoing system
Pyrolysis and the method for cracking aerogenesis joint fuel gas generation.According to embodiment of the present utility model, the method can include following step
Suddenly：
A. granule materials are added in reactor by charging aperture, complete to be pyrolyzed in the pyrolysis chamber of the reactor
Journey.Wherein, the particulate coal is added in reactor from the charging aperture on reactor top, and is radiated by the heat accumulating type in reactor
Pipe is broken up, and pyrolysis char is discharged from the semicoke outlet of reactor bottom, and Jing semicoke conveyer devices（It is preferred that conveying worm）Row
Go out.
According to specific embodiment of the utility model, it is adaptable to the concrete species and grain of the pyrolysis material that the electricity generation system is processed
Footpath is not particularly limited, and according to embodiment of the present utility model, pyrolysis material can be the Fossil fuels such as oil shale, coal, it is also possible to
It is rubbish, sludge, junked tire etc., pyrolysis material can also can be little particle pyrolysis material for block pyrolysis material, new in this practicality
In the preferred embodiment of type, the electricity generation system adopts particle diameter 10mm particles below coals, thus, it is possible to make full use of little particle heat
Solution material, resource utilization are high, and can solve the problem that bulk deposition pollutes the problem of environment.
According to embodiment of the present utility model, the heat accumulation type radiant tube arranged in the pyrolysis chamber of reactor can be by particulate coal
Breaing up is uniformly distributed which, and particulate coal is stopped 1-50 minutes in the reactor from top to bottom, and particulate coal is by reactor pyrolysis chamber
Heat accumulation type radiant tube be heated to 500-600 DEG C, specifically, can by gas valve control heat accumulation type radiant tube tube wall temperature
For 500-700 DEG C, particulate coal is heated to rapidly 500-600 DEG C in the reactor, completes pyrolytic process.
B. the oil gas of generation is pyrolyzed, is entered by the grain bed dust arrester arranged on the heat-insulated brick wall of the reactor
After row dust removal by filtration, clean oil gas enters into the cracking room of the reactor.
According to specific embodiment of the utility model, the concrete mounting means of the grain bed dust arrester is unrestricted, can
Think welding, rivet or inlay, according to some embodiments of the present utility model, granule is removed using mosaic mode by this utility model
Dirt device is embedded in the opening, and grain bed dust arrester is located on the side of pyrolysis chamber side and arranges the hole with multiple holes
Band, the grain bed dust arrester are located at the bottom surface of pyrolysis chamber side and are provided with dust outlet, and grain bed dedusting dress
Be provided with and pyrolysis be provided with for the blow valve port of blowback, bottom are carried out to the dust arrester setting in the side surface upper part of cracking room side
Gas outlet.
According to specific embodiment of the utility model, the height of the pore area is 150-1500mm, the hole it is a diameter of
1-30mm；It is inclined design that the grain bed dust arrester is located at the top of pyrolysis chamber side, the grain bed dust arrester
It is highly 200-2000mm, width is 100-500mm, the grain bed dust arrester is situated between built with 1mm-20mm high filtration
Matter；According to some embodiments of the present utility model, this utility model adopts filter medium for perlite, sandstone or ceramic variole
Grain.
C. clean oil gas completes thermal cracking processes in the cracking interior, produces cracking gas.
According to embodiment of the present utility model, the cracking interior distributed at least one heat accumulation type radiant tube, excellent
Choosing, at least one heat accumulation type radiant tube is uniformly distributed.Heat accumulation type radiant tube can be effective for the oil indoor to cracking
Gas is heated so as to carry out cracking reaction.Specifically, it is pyrolyzed oil gas to be heated by the heat accumulation type radiant tube in reactor cracking room
To 650-900 DEG C, specifically, the temperature that can control heat accumulation type radiant tube tube wall by gas valve is 650-900 DEG C, particulate coal
It is heated to rapidly 650-900 DEG C in the reactor, completes thermal cracking processes, thus, the tar molecules of macromole is cracked into little
The gaseous hydrocarbons of molecule, produce substantial amounts of cracking gas, it is to avoid the problem of pyrolysis oil dust-laden, is truly realized the clear of Fossil fuel
Clean efficient utilization.
D. the cracking gas is entered in spray column by cracking gas outlet, carries out purified treatment to the cracking gas.
E. purified net cracking gas Jing combustion gas air-introduced machine sends into fuel cartridge, a part of Jing combustions of the gas in the fuel cartridge
Pneumatic transmission blower fan sends into the fuel gas inlet of heat accumulation type radiant tube, and another part is sent into generating set, carries out combustion power generation.
Embodiment one：
（1）The particulate coal for being crushed to granularity≤10mm enters riser exsiccator 2 by loading hopper 1, is dried in riser
In device, coal is done using 150-250 DEG C of flue gas of the radial canal smoke outlet from thermal storage type moving bed reactor 3
Dry and lifting, coal are entered and are dried cyclone separator 4, and the coal dust for separating is entered in pyrolysis hopper 5,70-130 DEG C or so
Flue gas is then admitted to exhaust gas cleaner 7 through tail gas air-introduced machine 6, reaches the flue gas Jing chimneys 8 after discharge standard and discharges.
（2）Coal Jing rotary feeders 9 in pyrolysis hopper 5 enter thermal storage type moving bed reactor 3, moving-burden bed reactor 3
Pyrolysis chamber and cracking room are divided into by clathrate.
（3）Unidirectional heat accumulation type radiant tube is evenly arranged in pyrolysis chamber, tube wall temperature is controlled 500 using gas control valve
～700 DEG C of scopes, material are stopped 1-40 minutes in the reactor from top to bottom, and are heated to 500～600 DEG C, complete to be pyrolyzed
Journey.
（4）The oil gas that pyrolysis is produced, into grain bed dust arrester, after filtering dust collecting, clean oil gas is entered oil gas
To cracking room, the dedusting pressure of subsequent technique is reduced, unidirectional heat accumulation type radiant tube, tube wall temperature in cracking room, has been evenly arranged
Controlled in 650～900 DEG C of scopes using gas control valve, pyrolysis oil gas is heated to 650-900 DEG C in cracking interior, completes heat
Cracking process, the tar molecules of macromole are cracked into the gaseous hydrocarbons of small molecule, produce substantial amounts of cracking gas, it is to avoid pyrolysis oil
The problem of dust-laden, the clean and effective for being truly realized coal are utilized.
（5）Cracking gas is washed in spray column 10, the net cracking gas Jing combustion gas blower fans after washing by reactor outlet
11 send into fuel cartridge 12, and a part of combustible gas Jing combustion gas pressure fan 13 sends into the radial canal fuel gas inlet of pyrolysis reactor 3, big portion
Combustible gas is divided to send into jet dynamic control 15, to combustion power generation.
（6）The semicoke that pyrolysis of coal is produced is discharged by conveying worm 14, and semicoke can be used for combustion power generation or make moulded coal.
Inventor has found that simple according to the power generation system structure of this utility model embodiment, easy to operate, Temperature Distribution is equal
Even, heats are good.Two kinds of operations can be carried out in one body of heater, is united two into one, save construction cost and floor space.Reactor
It is divided into pyrolysis chamber and cracking room, at pyrolysis chamber's oil gas vent, is provided with grain bed cleaner unit, the oil gas that pyrolysis chamber produces, through granule
After bed dedusting, clean oil gas enters back into cracking room carries out deep pyrolytic, and the tar molecules of macromole are cracked into the gas of small molecule
State hydro carbons, cracking gas small part supply radial canal burning, remaining combustion gas enters jet dynamic control, combustion power generation, it is to avoid heat
The problem of the oily dust-laden of solution, the clean and effective for being truly realized Fossil fuel are utilized, and also reduce rear end dedusting pressure.
Brown coal are processed using being pyrolyzed from dedusting moulded coal and cracking aerogenesis joint gas power generation system, the basis of raw material
Data are shown in Table 1.
Table 1：Brown coal basic data
Brown coal are processed using the system, the factor of created gase for obtaining is up to 21%, far above the product obtained by the pyrolysis of laboratory aluminum rice steamer
Gas rate, pyrolytic tar almost all are cracked into gaseous products, and factor of created gase is high.Cracking gas calorific value is up to 5500kcal/m3, quality
Height, in the cracking gas of the system output, dust content is less than 1%, and gas is more cleaned.The cracking gas of generation sends into fuel gas generation
Unit, combustion power generation.
In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and
It is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define
The feature of " first ", " second " can be expressed or implicitly include one or more this feature.
In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, it is for example, it may be fixedly connected, or be detachably connected or integral；Can be
It is mechanically connected, or electrically connects；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in this utility model.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State that be not necessarily referring to is identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combined in any one or more embodiments or example in an appropriate manner.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and is combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to restriction of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, be changed, being replaced and modification, simultaneously for one of ordinary skill in the art, foundation
The thought of the application, will change in specific embodiments and applications.
Claims (8)
1. one kind is pyrolyzed and cracks aerogenesis joint gas power generation system from dedusting moulded coal, it is characterised in that include：
Pyrolysis hopper；
First feed arrangement, first feed arrangement are connected with the pyrolysis hopper；
Pyrolysis and cracking reactor, including：The outlet of charging aperture, pyrolysis chamber, cracking room and cracking gas, the charging aperture are arranged on institute
State on the roof of pyrolysis chamber, the cracking gas outlet is arranged on the side wall of the cracking room；And：
Heat accumulation type radiant tube, the heat accumulation type radiant tube along the reactor short transverse multi-tier arrangement in the pyrolysis chamber and
Inside the cracking room, per layer has many heat accumulation type radiant tubes arranged in the horizontal direction；
Heat-insulated brick wall, the heat-insulated brick wall are arranged at the 2/3 of the reactor transverse width, vertically through in the reaction
In device, the inner space of the reactor is separated into into the pyrolysis chamber and the cracking room；
Communication member, the communication member are on the heat-insulated brick wall longitudinal length, positioned at the opening of lower position, for by institute
State pyrolysis chamber to connect with the cracking room；
Grain bed dust arrester, the grain bed dust arrester are fixedly connected with the opening of the heat-insulated brick wall, and described
Grain bed dust arrester is located at the side of the pyrolysis chamber, and to extend horizontally and to the pyrolysis indoor, for by the pyrolysis
The oil gas that room produces, by the grain bed dust arrester, is passed into the cracking room；
Spray column, the spray column are connected with cracking gas outlet；
Fuel cartridge, the fuel cartridge are connected with the spray column；
Generating set, the generating set are connected with the fuel cartridge.
2. system according to claim 1, it is characterised in that the grain bed dust arrester is located at the side of pyrolysis chamber side
Pore area with multiple holes is set on face, and the grain bed dust arrester is located at the bottom surface of pyrolysis chamber side and is provided with dust discharge
Mouthful, and the grain bed dust arrester be located at cracking room side side surface upper part be provided with for carrying out blowback to the dust arrester
Blow valve port, bottom be provided with pyrolysis gas outlet.
3. system according to claim 1, it is characterised in that the grain bed dust arrester is embedded in the opening.
4. system according to claim 2, it is characterised in that the thickness of the heat-insulated brick wall is 50-150mm, the hole
The height of band is 150-1500mm, a diameter of 1-30mm in the hole；The grain bed dust arrester is located at pyrolysis chamber side
Top is inclined design, and the height of the grain bed dust arrester is 200-2000mm, and width is 100-500mm, the granule
Bed dust arrester is built with 1mm-20mm high filter medium.
5. the system according to any one of claim 1-3, it is characterised in that further include combustion gas pressure fan and combustion gas
Air-introduced machine, wherein, one end of the combustion gas pressure fan is connected with the outlet of the fuel cartridge, and the other end is radiated with the heat accumulating type
The fuel gas inlet connection of pipe, the combustion gas air-introduced machine are arranged between the spray column and the fuel cartridge.
6. the system according to any one of claim 1-3, it is characterised in that also including loading hopper；Second feed arrangement,
Which is connected with the loading hopper；Drying device, its respectively with second feed arrangement and the cigarette on the heat accumulation type radiant tube
Gas outlet connection；Gas-solid separating device, which is connected with the drying device and the pyrolysis hopper respectively；Tail gas clean-up is filled
Put, which is connected with the gas-solid separating device.
7. the system according to any one of claim 1-3, it is characterised in that the pyrolysis hopper enters by described first
Material device is connected with the charging aperture；Further include that semicoke is exported, the semicoke outlet is arranged on the bottom of the pyrolysis chamber,
The semicoke outlet is connected with the semicoke conveyer device.
8. system according to claim 4, it is characterised in that the filter medium is perlite, sandstone or ceramic variole
Grain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620661508.0U CN206051942U (en) | 2016-06-29 | 2016-06-29 | It is a kind of to be pyrolyzed from dedusting moulded coal and crack aerogenesis joint gas power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620661508.0U CN206051942U (en) | 2016-06-29 | 2016-06-29 | It is a kind of to be pyrolyzed from dedusting moulded coal and crack aerogenesis joint gas power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206051942U true CN206051942U (en) | 2017-03-29 |
Family
ID=58372319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620661508.0U Expired - Fee Related CN206051942U (en) | 2016-06-29 | 2016-06-29 | It is a kind of to be pyrolyzed from dedusting moulded coal and crack aerogenesis joint gas power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206051942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885899A (en) * | 2016-06-29 | 2016-08-24 | 北京神雾环境能源科技集团股份有限公司 | Self dust collection type coal pyrolysis and splitting gas production combined fuel gas power generation system |
-
2016
- 2016-06-29 CN CN201620661508.0U patent/CN206051942U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885899A (en) * | 2016-06-29 | 2016-08-24 | 北京神雾环境能源科技集团股份有限公司 | Self dust collection type coal pyrolysis and splitting gas production combined fuel gas power generation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107760344B (en) | System and method for preparing coal tar gas by coupling pulverized coal pyrolysis and dust removal | |
| CN206051942U (en) | It is a kind of to be pyrolyzed from dedusting moulded coal and crack aerogenesis joint gas power generation system | |
| CN105838460A (en) | Coal pyrolysis and cracking gas production combined gas power generation system | |
| CN206051938U (en) | One kind is from dedusting type biomass pyrolytic and cracking system | |
| CN105950196B (en) | A kind of pyrolysis of coal and cracking production of synthetic gas system | |
| CN205974391U (en) | From oil shale pyrolysis of dust removal type and cracking system | |
| CN205974375U (en) | Syngas system is produced to pyrolysis of coal and catalytic cracking | |
| CN205974382U (en) | Produce syngas system from pyrolysis of dust removal moulded coal and schizolysis | |
| CN105950200B (en) | One kind being pyrolyzed and crack production of synthetic gas system from dedusting moulded coal | |
| CN205974444U (en) | Gas electricity generation system is united to pyrolysis of coal and schizolysis product gas | |
| CN207016714U (en) | A kind of biomass cracking partial carbonization system | |
| CN205974443U (en) | Gas combination gas electricity generation system is produced in pyrolysis of coal and pyrolysis tube schizolysis | |
| CN106047382B (en) | One kind is from dedusting type refuse pyrolysis and cracking system | |
| CN205974374U (en) | Syngas system is produced in pyrolysis of coal and schizolysis | |
| CN206051946U (en) | One kind is from dedusting type oil shale pyrolysis and catalytic cracking system | |
| CN205974388U (en) | Oil shale pyrolysis and catalytic cracking system | |
| CN105802685B (en) | A kind of pyrolysis of coal and cracking tube cracking produce gas and combine gas power generation system | |
| CN205974373U (en) | Syngas system is produced in pyrolysis of coal and pyrolysis tube schizolysis | |
| CN105778949B (en) | A kind of biomass pyrolytic and cracking system | |
| CN205635488U (en) | Oil shale pyrolysis system | |
| CN105885899A (en) | Self dust collection type coal pyrolysis and splitting gas production combined fuel gas power generation system | |
| CN206143129U (en) | From junked tire pyrolysis of dust removal type and cracking system | |
| CN206143120U (en) | From pyrolysis of dust removal type and cracking reactor | |
| CN205974389U (en) | Heat accumulation formula removes bed pyrolysis and cracking reactor | |
| CN206051934U (en) | One kind is from dedusting type refuse pyrolysis and cracking system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Self dust collection type coal pyrolysis and splitting gas production combined fuel gas power generation system Effective date of registration: 20180330 Granted publication date: 20170329 Pledgee: Tianfeng Securities Co.,Ltd. Pledgor: Shenwu Technology Group Co.,Ltd. Registration number: 2018990000247 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20170329 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20170329 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |